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Finding the Fourth Proportional to 301,085.70, 451,628.55 and 252,096.90

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Solution

The fourth proportional to 301,085.70, 451,628.55 and 252,096.90 is: 378,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,085.70 : 451,628.55 = 252,096.90 : x
  2. Step 2: Convert to fraction form
    301,085.70/451,628.55 = 252,096.90/x
  3. Step 3: Cross multiply
    301,085.70x = 451,628.55 × 252,096.90
  4. Step 4: Simplify right side
    301,085.70x = 113,854,157,406.50
  5. Step 5: Solve for x
    x = 113,854,157,406.50/301,085.70
  6. Step 6: Final answer
    x = 378,145.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.